44 lines
1.1 KiB
TypeScript
44 lines
1.1 KiB
TypeScript
import { expect } from 'chai'
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import { CallbacksRegistry } from '../lib/renderer/callbacks-registry'
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describe('CallbacksRegistry module', () => {
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let registry: CallbacksRegistry
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beforeEach(() => {
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registry = new CallbacksRegistry()
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})
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it('adds a callback to the registry', () => {
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const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
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expect(key).to.exist('key')
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})
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it('returns a specified callback if it is in the registry', () => {
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const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
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expect(key).to.exist('key')
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const callback = registry.get(key!)
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expect(callback.toString()).equal(cb.toString())
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})
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it('returns an empty function if the cb doesnt exist', () => {
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const callback = registry.get(1)
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expect(callback).to.be.a('function')
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})
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it('removes a callback to the registry', () => {
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const cb = () => [1, 2, 3, 4, 5]
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const key = registry.add(cb)
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expect(key).to.exist('key')
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registry.remove(key!)
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const afterCB = registry.get(key!)
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expect(afterCB).to.be.a('function')
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expect(afterCB.toString()).to.not.equal(cb.toString())
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})
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})
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